(19)

(11)

EP 2 564 568 A2

(12)

(88) Date of publication A3: 08.03.2012 (43) Date of publication: 06.03.2013 Bulletin 2013/10 (21) Application number: 11775324.4 (22) Date of filing: 29.04.2011

(51) International Patent Classification (IPC):  H04L 29/02(2006.01) H04B 7/26(2006.01) H04L 12/66(2006.01) (86) International application number: PCT/KR2011/003231 (87) International publication number: WO 2011/136619 (03.11.2011 Gazette 2011/44)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 26.07.2010 CN 201010246660 11.06.2010 CN 201010200716 30.04.2010 CN 201010168697 (71) Applicant: Samsung Electronics Co., Ltd Gyeonggi-do 443-742 (KR)	(72) Inventors: XU, Lixiang Beijing 100125 (CN) LIANG, Huarui Beijing 100125 (CN) (74) Representative: Hutter, Jacobus Johannes et al Nederlandsch Octrooibureau J.W. Frisolaan 13 2517 LS Den Haag 2517 LS Den Haag (NL)